Keyword Analysis & Research: envelope detector

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Is an envelope detector a RF mixer?

but some others say that the envelope detector diode will mix the AM carrier with the sidebands to produce audio, so it will infact act as a mixer. However wikipedia states that the carrier is filtered by the capacitor after the diode, but the diode still sees and mixes the RF signals components.

What is envelope detection?

Envelope Detection. Envelope detection is defined as “the electronic circuit that takes the high radio frequency (RF) signal as input and gives an envelope of the input signal as output.”. The envelope detector circuit is as shown Figure 1: The envelope detector is a combination of half-wave rectifier and low-pass filter.

What is a square law detector?

square-law detector. A demodulator whose output voltage is proportional to the square of the amplitude-modulated input voltage.

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